Index: tests/modeltests/model_inheritance/models.py
===================================================================
--- tests/modeltests/model_inheritance/models.py	(revision 7206)
+++ tests/modeltests/model_inheritance/models.py	(working copy)
@@ -124,9 +124,14 @@
 >>> p2.save()
 
 Test constructor for Restaurant.
->>> r = Restaurant(name='Demon Dogs', address='944 W. Fullerton',serves_hot_dogs=True, serves_pizza=False, rating=2)
+>>> r = Restaurant(name='Demon Dogs', address='944 W. Fullerton',serves_hot_dogs=True, serves_pizza=False, rating=1)
 >>> r.save()
 
+# Update the instance by modifying a field and calling the save() command
+# again.
+>>> r.rating = 2
+>>> r.save()
+
 # Test the constructor for ItalianRestaurant.
 >>> ir = ItalianRestaurant(name='Ristorante Miron', address='1234 W. Elm', serves_hot_dogs=False, serves_pizza=False, serves_gnocchi=True, rating=4)
 >>> ir.save()